| Frimley to Orbetello | 831.37 mi (1,337.97 km) |
| Frimley to Oria | 1,151.20 mi (1,852.68 km) |
| Frimley to Oristano | 906.48 mi (1,458.83 km) |
| Frimley to Orta Nova | 1,040.68 mi (1,674.81 km) |
| Frimley to Orte | 868.37 mi (1,397.51 km) |
| Frimley to Ortona | 943.14 mi (1,517.83 km) |
| Frimley to Orvieto | 845.71 mi (1,361.04 km) |
| Frimley to Orzinuovi | 636.90 mi (1,024.99 km) |
| Frimley to Osimo | 854.87 mi (1,375.78 km) |
| Frimley to Ospitaletto | 634.49 mi (1,021.12 km) |
| Frimley to Ostuni | 1,137.73 mi (1,831.00 km) |
| Frimley to Ottaviano | 1,023.05 mi (1,646.44 km) |
| Frimley to Ovada | 632.39 mi (1,017.73 km) |
| Frimley to Ozieri | 875.00 mi (1,408.18 km) |
| Frimley to Paceco | 1,125.41 mi (1,811.17 km) |
